return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-304.119493
Energy at 298.15K-304.126022
HF Energy-304.119493
Nuclear repulsion energy192.973172
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 2990 2994 0.42      
2 A 2897 2902 0.40      
3 A 1449 1451 0.11      
4 A 1352 1354 10.89      
5 A 1157 1159 1.95      
6 A 1090 1092 0.90      
7 A 973 975 10.97      
8 A 897 898 74.72      
9 A 762 763 2.53      
10 A 695 696 3.21      
11 A 370 370 5.57      
12 B 2987 2992 54.85      
13 B 2894 2899 181.16      
14 B 1436 1439 4.17      
15 B 1297 1299 4.43      
16 B 1152 1154 6.10      
17 B 1082 1084 9.77      
18 B 1018 1020 158.56      
19 B 860 861 11.69      
20 B 668 669 1.02      
21 B 161 161 12.00      

Unscaled Zero Point Vibrational Energy (zpe) 14092.5 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 14115.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/cc-pVDZ
ABC
0.26724 0.26103 0.14829

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.205
C2 0.000 1.135 0.322
C3 0.000 -1.135 0.322
O4 -0.392 -0.645 -0.959
O5 0.392 0.645 -0.959
H6 -1.016 1.596 0.297
H7 1.016 -1.596 0.297
H8 0.778 1.868 0.624
H9 -0.778 -1.868 0.624

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.43811.43812.29252.29252.09832.09832.10552.1055
C21.43812.26962.22771.42671.11582.91351.11063.1166
C31.43812.26961.42672.22772.91351.11583.11661.1106
O42.29252.22771.42671.50892.64382.11283.19182.0374
O52.29251.42672.22771.50892.11282.64382.03743.1918
H62.09831.11582.91352.64382.11283.78331.84313.4874
H72.09832.91351.11582.11282.64383.78333.48741.8431
H82.10551.11063.11663.19182.03741.84313.48744.0471
H92.10553.11661.11062.03743.19183.48741.84314.0471

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 73.913 O1 C2 H6 109.857
O1 C2 H8 110.752 O1 C3 O5 73.913
O1 C3 H7 109.857 O1 C3 H9 110.752
C2 O1 C3 104.207 C2 O4 O5 39.277
C3 O5 O4 39.277 O4 C2 H6 99.052
O4 C2 H8 143.773 O5 C3 H7 99.052
O5 C3 H9 143.773 H6 C2 H8 111.759
H7 C3 H9 111.759
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.294      
2 C 0.282      
3 C 0.282      
4 O -0.180      
5 O -0.180      
6 H 0.014      
7 H 0.014      
8 H 0.031      
9 H 0.031      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.002 1.002
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.359 0.205 0.000
y 0.205 -23.642 0.000
z 0.000 0.000 -33.161
Traceless
 xyz
x 0.043 0.205 0.000
y 0.205 7.118 0.000
z 0.000 0.000 -7.161
Polar
3z2-r2-14.322
x2-y2-4.716
xy0.205
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.184 0.271 0.000
y 0.271 6.430 0.000
z 0.000 0.000 4.112


<r2> (average value of r2) Å2
<r2> 86.186
(<r2>)1/2 9.284